# Polymarket

14 endpoints on Polymarket. Every one returns the same response shape and has a flat, published price in credits.

Category: [Finance & markets](https://onekey.dev/docs/categories/finance.md) · [Overview page](https://onekey.dev/platforms/polymarket)

## Endpoints

| Endpoint | What it does | Cost | Status |
| --- | --- | --- | --- |
| [`book`](https://onekey.dev/docs/api/polymarket/book.md) | CLOB order book for an outcome token. | 1 credit | stable |
| [`event`](https://onekey.dev/docs/api/polymarket/event.md) | One prediction event by slug (Gamma). | 1 credit | stable |
| [`events`](https://onekey.dev/docs/api/polymarket/events.md) | Top active prediction events by 24h volume (Gamma). | 5 credits | stable |
| [`last_trade`](https://onekey.dev/docs/api/polymarket/last_trade.md) | Last trade price and side for an outcome token. | 1 credit | stable |
| [`market`](https://onekey.dev/docs/api/polymarket/market.md) | One prediction market by slug (Gamma). | 1 credit | stable |
| [`markets`](https://onekey.dev/docs/api/polymarket/markets.md) | Top active prediction markets by 24h volume (Gamma). | 5 credits | stable |
| [`midpoint`](https://onekey.dev/docs/api/polymarket/midpoint.md) | CLOB midpoint price for an outcome token. | 1 credit | stable |
| [`price`](https://onekey.dev/docs/api/polymarket/price.md) | CLOB best buy price for an outcome token. | 1 credit | stable |
| [`price_history`](https://onekey.dev/docs/api/polymarket/price_history.md) | Price history for an outcome token (interval + fidelity in minutes). | 5 credits | stable |
| [`research`](https://onekey.dev/docs/api/polymarket/research.md) | Research a topic across Polymarket: matching prediction-market events with volume, liquidity and dates. | 1 credit | stable |
| [`search`](https://onekey.dev/docs/api/polymarket/search.md) | Search Polymarket events. | 5 credits | stable |
| [`server_time`](https://onekey.dev/docs/api/polymarket/server_time.md) | Polymarket CLOB server time. | 1 credit | stable |
| [`spread`](https://onekey.dev/docs/api/polymarket/spread.md) | CLOB bid/ask spread for an outcome token. | 1 credit | stable |
| [`tags`](https://onekey.dev/docs/api/polymarket/tags.md) | Polymarket topic tags. | 5 credits | stable |

Every endpoint page has a **Field mapping** section showing which source field becomes which [unified field](https://onekey.dev/docs/schema.md) (fixed schema) or platform-specific `ext.` field.